[INFO] fetching crate rillrate-py 0.40.0...
[INFO] testing rillrate-py-0.40.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rillrate-py 0.40.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rillrate-py 0.40.0
[INFO] finished tweaking crates.io crate rillrate-py 0.40.0
[INFO] tweaked toml for crates.io crate rillrate-py 0.40.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rillrate-py 0.40.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 297 packages to latest compatible versions
[INFO] [stderr]       Adding indoc-impl v0.3.6 (available: v0.3.7)
[INFO] [stderr]       Adding pyo3 v0.14.5 (available: v0.26.0)
[INFO] [stderr]       Adding rill-protocol v0.40.0 (available: v0.41.0)
[INFO] [stderr]       Adding rillrate v0.40.0 (available: v0.41.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72645e4c0400f3eead1d93821c6708e1c0a911eaa824ad6a2b5cc83eaa731dd2
[INFO] running `Command { std: "docker" "start" "-a" "72645e4c0400f3eead1d93821c6708e1c0a911eaa824ad6a2b5cc83eaa731dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72645e4c0400f3eead1d93821c6708e1c0a911eaa824ad6a2b5cc83eaa731dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72645e4c0400f3eead1d93821c6708e1c0a911eaa824ad6a2b5cc83eaa731dd2", kill_on_drop: false }`
[INFO] [stdout] 72645e4c0400f3eead1d93821c6708e1c0a911eaa824ad6a2b5cc83eaa731dd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1ee37df923429b3780eeb7b97302f0721705545d507b00b83beee027ee460a6
[INFO] running `Command { std: "docker" "start" "-a" "d1ee37df923429b3780eeb7b97302f0721705545d507b00b83beee027ee460a6", kill_on_drop: false }`
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[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `PyUnicode_READY` in module `ffi`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pyo3-0.14.5/src/types/string.rs:234:30
[INFO] [stdout]     |
[INFO] [stdout] 234 |             let ready = ffi::PyUnicode_READY(ptr);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^ help: a function with a similar name exists: `PyUnicode_IS_READY`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pyo3-0.14.5/src/ffi/cpython/unicodeobject.rs:224:1
[INFO] [stdout]     |
[INFO] [stdout] 224 | pub unsafe fn PyUnicode_IS_READY(op: *mut PyObject) -> c_uint {
[INFO] [stdout]     | ------------------------------------------------------------- similarly named function `PyUnicode_IS_READY` defined here
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pyo3-0.14.5/src/ffi/cpython/unicodeobject.rs:232:15
[INFO] [stdout]     |
[INFO] [stdout] 228 | #[cfg(not(Py_3_12))]
[INFO] [stdout]     |          --------- the item is gated here
[INFO] [stdout] ...
[INFO] [stdout] 232 | pub unsafe fn PyUnicode_READY(op: *mut PyObject) -> c_int {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v1.47.1
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[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling meio-protocol v0.94.0
[INFO] [stderr]    Compiling vectorize v0.2.0
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling flexbuffers v2.0.0
[INFO] [stderr]    Compiling serde_qs v0.8.5
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling envy v0.4.2
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pyo3` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d1ee37df923429b3780eeb7b97302f0721705545d507b00b83beee027ee460a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ee37df923429b3780eeb7b97302f0721705545d507b00b83beee027ee460a6", kill_on_drop: false }`
[INFO] [stdout] d1ee37df923429b3780eeb7b97302f0721705545d507b00b83beee027ee460a6